Information Systems Security Engineer

CACI International; Colorado Springs (CO); On-site; USD 82,000 - 172,000; Full time

Benefits offered by this job

Healthcare benefits

Retirement plans

Education & training opportunities

Paid time off

Job summary

CACI International is seeking an Information Systems Security Engineer to support the Defense Intelligence Agency (DIA) CIS program, designing, delivering and maintaining secure IT services for sensitive systems. The role requires TS/SCI with poly, DOD 8140 certification, and extensive IA/RMF experience.

You will work with government stakeholders to implement security controls, produce A&A artifacts, and lead testing efforts, ensuring compliance with DoD and IC standards across a distributed IT

Qualifications

• Must hold a current Top Secret clearance with ability to obtain poly prior to start.
• DOD 8140 Certification applicable to role (minimum Security+)
• HS and 12+ years of experience, an AA and 10+ years of experience, BS/BA and 8+ years of experience, MS/MA and 6+ years of experience
• Certification and two years of hands‑on technical experience demonstrating progressively increasing responsibility for information assurance
• Experience in ICD 503 certification and accreditation
• Familiarization with NIST Special Publication 800-37 Revision 1, Guide for Applying the Risk Management Framework to Federal Systems; CNSSI 1253; and NIST SP 800-53 Revisions 3 and 4, NIST SP 800-39, and NIST SP 800-30
• Maintain required technical and security training relative to cybersecurity duties in accordance with DoD Instruction 8510.01, RMF for DoD Systems; NIST SP 800-53; and DoD Directive 8570.01-M
• Willingness to learn new skills and new technologies

Responsibilities

• Support engineering solution design and development following U.S. Government IA standards (DCIDs, ICD 503, DoD/NIST)
• Implements Zero Trust Architecture (ZTA) principles and ICAM policies across information systems
• Research, analyze, and recommend security controls using RMF and other guidance
• Oversee development of test cases, scenarios, and scripts to validate security controls
• Develop procedures and templates for A&A documentation and artifacts
• Oversee cybersecurity testing initiatives and ensure evidence artifacts demonstrate security posture
• Collaborate with ISSO and government stakeholders on cyber hygiene, vulnerability remediation, and tracking databases
• Guide cross-discipline IA controls for program and government personnel
• Provide engineering services in support of operations transition
• Aid in content creation for documentation, reports, and data per contract requirements

Skills

Top Secret clearance

ICD 503

DOD 8140 Certification

NIST 800-53

RMF

Zero Trust Architecture

Education

BS/BA in STEM

MS/MA in STEM (optional)

HS Diploma

AA

Job description

Job Title: Information Systems Security Engineer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

Anticipated Posting End: 1/1/2027

The Opportunity

The CIS program supports our intelligence customer deliver IT services to conduct its globally distributed operations. We are driving an exciting technological transformation of customer IT services by leading the design, development, implementation, and operation of cutting-edge solutions. This includes continuous service improvement through the modernization of IT system infrastructure.

CACI is looking for an experienced, innovative, and motivated Information Systems Security Engineer to support the mission objectives and needs of the customer, the Defense Intelligence Agency. In this role, you will be a key technical member of our engineering team and contributor to designing, delivering, and maintaining secure IT services. You will collaborate with our team of engineers, cyber professionals and our government stakeholders to secure some of the world’s most sensitive systems.

The position is contingent upon award of the DIA SITE III CIO Infrastructure Services (CIS) contract.

Responsibilities

• Support engineering solution design and development and their adherence to all aspects of applicable U.S. Government Information Assurance (IA) standards and programs, including Director of Central Intelligence Directives (DCIDs), IC Directive (ICD) 503, and associated DoD and NIST publications

• Implements Zero Trust Architecture (ZTA) principles and capabilities supporting the cybersecurity posture for the environment and the network; enforces compliance with Identity Credential and Access Management (ICAM) policies for all information systems, services, and solutions over the life of the contract

• Research, analyze, and recommend security controls and their implementation in IT solutions using Risk Management Framework (RMF) and other applicable guidance

• Oversee development of test cases, test scenarios, and specific test scripts that exercise and validate application of identified security controls; includes both expected positive and negative outcome testing for comprehensive cybersecurity coverage

• Develop procedures and templates for Assessment and Authorization (A&A) documentation and related artifacts

• Oversee all development and integration cybersecurity testing initiatives and ensures sufficient bodies of evidence artifacts are produced to demonstrate infrastructure security posture outcomes

• Collaborate with program ISSO and government stakeholders of cyber hygiene best practices, vulnerability awareness, actions, and remediations, including those from DoD IAVA/IAVB, CERT CVE, and IC-related tracking databases

• Guide and provide expertise into other cross-discipline IA controls or services (e.g., industrial security, physical security, special programs) for program and Government security personnel

• Provide engineering services in support of operations transition

• Aid in creation of content required documentation, reports, and data adhering to schedule, format, and content requirements specified by the contract

Qualifications

Required

• Must hold a current Top Secret SCI clearance with ability to obtain poly prior to start

• DOD 8140 Certification applicable to role (minimum Security+)

• HS and 12+ years of experience, an AA and 10+ years of experience, BS/BA and 8+ years of experience, MS/MA and 6+ years of experience, or PhD and 4+ years of experience

• Certification and two years of hands‑on technical experience demonstrating progressively increasing responsibility for information assurance

• Experience in ICD 503 certification and accreditation

• Familiarization with NIST Special Publication 800-37 Revision 1, Guide for Applying the Risk Management Framework to Federal Systems; Committee on National Security Systems Instruction (CNSSI) 1253; and NIST SP 800-53 Revisions 3 and 4, NIST SP 800-39, and NIST SP 800-30

• Maintain required technical and security training relative to cybersecurity duties in accordance with DoD Instruction 8510.01, Risk Management Framework for DoD Systems; NIST Special Publication 800-53, Recommended Security Controls for Federal Information Systems Organizations; and DoD Directive 8570.01-M, IA Workforce Improvement Program

• Willingness to learn new skills and new technologies

Desired

• Degree in Science, Technology, Engineering, or Mathematics

• Familiarity with IC ITE services and classified environments

• ITIL 4 Foundation Certification (or higher)

What You Can Expect

A culture of integrity

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth

Together, we will advance our nation’s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$82,100-$172,400

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any otherprotectedcharacteristic.